If two currents are in the same direction at any instant of time in a given branch of a circuit, the net current at that instant
A. Is zero
B. Is the sum of the two currents
C. Is the difference between the two currents
D. Cannot be determined
Answer: Option B
This Question Belongs to Electrical Engineering >> Circuit Theorems In Ac Analysis
Referring to the given circuit, what is VTH if VS = 12 ∠0° V?
A. 4.69 ∠38.7° V
B. 9.38 ∠38.7° V
C. 12 ∠0° V
D. 6 ∠0° V
Referring to the given circuit, find ZTH if VS is 180° V.
A. 9.82 ∠-51.3° kΩ
B. 9.38 ∠-51.3° kΩ
C. 180 ∠-38.3° kΩ
D. 19.2 ∠-38.3° kΩ
Determine VTH when R1 is 180 Ω and XL is 90 Ω.
A. 135∠63.4° V
B. 13.5∠63.4° V
C. 12.2∠0° V
D. 122∠0° V
The two basic components of a Thevenin equivalent ac circuit are
A. The equivalent voltage source and the equivalent series impedance
B. The equivalent voltage source and the equivalent series resistance
C. The equivalent voltage source and the equivalent parallel impedance
D. The equivalent voltage source and the equivalent parallel resistance
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